Senior Research Scientist (Applied Research - Agentic AI, SLMs & GenAI Research)

NielsenIQ
full-time Barcelona, Catalonia Mathematical Science Occupations
Posted:
June 16, 2026
Location:
Barcelona, Catalonia, Spain

Job Description

Job Description

Focus: Researching agentic AI capabilities and Small Language Models (SLMs), with emphasis on experimentation, modeling strategy, validation methods, and maturing approaches beyond proof of concept toward robust, reusable patterns.

Core Requirements:

  • Strong background in applied machine learning / AI research
  • Deep hands-on experience with GenAI systems and architectures
  • Experience with Small Language Model (SLM) fine-tuning and adaptation
  • Strong understanding of agentic AI concepts, including multi-step reasoning, tool use, orchestration, or workflow-based model behavior
  • Strong grounding in classical machine learning as well as modern deep learning approaches
  • Ability to design rigorous experiments and evaluate novel AI system behavior
  • Strong communication skills and ability to engage with technical and non-technical stakeholders in English

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Job Overview

Job Type: full-time
Location: Barcelona, Spain
Posted: June 16, 2026
Deadline: July 26, 2026